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arXiv:cond-mat/9811089 · Annalen der Physik

Lax pair formulation for a small-polaron chain with integrable boundaries

Xi-Wen Guan, Uwe Grimm, Rudolf A. Römer

Published Nov 1, 1998• 5 citations
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Abstract

Using a fermionic version of the Lax pair formulation, we construct an integrable small-polaron model with general open boundary conditions. The Lax pair and the boundary supermatrices K± for the model are obtained. This provides a direct proof of the integrability of the model.
DOI
10.1002/(sici)1521-3889(199811)7:5/6<518::aid-andp518>3.0.co;2-y

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